import Vue from 'vue'
import Router from 'vue-router'
Vue.use(Router)

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/* Layout */
// 项目的骨框架
import Layout from '@/layout'

// 路由的配置：为什么不同用户登录项目，菜单(路由都是一样的)
// 因为路由是‘固定的(死的)’，不管是那个用户都能看见，操作的菜单都是一样的
// 想要根据不同的用户，能够操作不同的模块，需要把项目中的路由进行拆分

// 常量路由：任何用户都可以看见和操作的路由
export const constantRoutes = [
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },

  {
    path: '/404',
    component: () => import('@/views/404'),
    hidden: true
  },

  {
    path: '/',
    component: Layout,
    // 重定向
    redirect: '/dashboard',
    // 二级路由
    children: [{
      path: 'dashboard',
      name: 'Dashboard',
      component: () => import('@/views/dashboard/index'),
      // title是页面展示的名字，icon是名字前面的图标
      meta: { title: '首页', icon: 'dashboard' }
    }]
  },
  // { 
  //   path: '*', 
  //   redirect: '/404', 
  //   hidden: true
  // },

]

// 异步路由：不同的用户(角色)，只能操作和查看相应的路由
export const asyncRoutes=[
  {
    name: 'Acl',
    path: '/acl',
    component: Layout,
    redirect: '/acl/user/list',
    meta: {
      title: '权限管理',
      icon: 'el-icon-lock'
    },
    children: [
      {
        name: 'User',
        path: 'user/list',
        component: () => import('@/views/acl/user/list'),
        meta: {
          title: '用户管理',
        },
      },
      {
        name: 'Role',
        path: 'role/list',
        component: () => import('@/views/acl/role/list'),
        meta: {
          title: '角色管理',
        },
      },
      {
        name: 'RoleAuth',
        path: 'role/auth/:id',
        component: () => import('@/views/acl/role/roleAuth'),
        meta: {
          activeMenu: '/acl/role/list',
          title: '角色授权',
        },
        hidden: true,
      },
      {
        name: 'Permission',
        path: 'permission/list',
        component: () => import('@/views/acl/permission/list'),
        meta: {
          title: '菜单管理',
        },
      },
    ]
  },
  {
    path:'/product',
    // 一级路由必须要是Layout（都是在这个骨架下进行路由切换）
    component:Layout,
    name:'Product',
    meta:{title:'商品管理',icon:'el-icon-goods'},
    // 二级路由
    children:[
      {
        path:'/trademark',
        // 使用路由懒加载的方式
        component:()=>import('@/views/product/tradeMark'),
        name:'TradeMark',
        meta:{title:'品牌管理'}
      },
      {
        path:'/attr',
        component:()=>import('@/views/product/Attr'),
        name:'Attr',
        meta:{title:'平台属性管理'}
      },
      {
        path:'/spu',
        component:()=>import('@/views/product/Spu'),
        name:'Spu',
        meta:{title:'Spu管理'}
      },
      {
        path:'/sku',
        component:()=>import('@/views/product/Sku'),
        name:'Sku',
        meta:{title:'Sku管理'}
      }
    ]
  },
]

//任意路由：当路径出现错误的时候重定向404  *代表所有
export const anyRoutes ={ path: '*', redirect: '/404', hidden: true };

const createRouter = () => new Router({
  // 路由进行切换时，让滚动条到顶部
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRoutes
})

const router = createRouter()

export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
